Home / 91,310.10-136,771.38-59,608.14

Finding the Fourth Proportional to 91,310.10, 136,771.38 and 59,608.14

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Solution

The fourth proportional to 91,310.10, 136,771.38 and 59,608.14 is: 89,285.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,310.10 : 136,771.38 = 59,608.14 : x
  2. Step 2: Convert to fraction form
    91,310.10/136,771.38 = 59,608.14/x
  3. Step 3: Cross multiply
    91,310.10x = 136,771.38 × 59,608.14
  4. Step 4: Simplify right side
    91,310.10x = 8,152,687,567.03
  5. Step 5: Solve for x
    x = 8,152,687,567.03/91,310.10
  6. Step 6: Final answer
    x = 89,285.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.